Home / 198,893.68-274,404.03-112,842.52

Finding the Fourth Proportional to 198,893.68, 274,404.03 and 112,842.52

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Solution

The fourth proportional to 198,893.68, 274,404.03 and 112,842.52 is: 155,683.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,893.68 : 274,404.03 = 112,842.52 : x
  2. Step 2: Convert to fraction form
    198,893.68/274,404.03 = 112,842.52/x
  3. Step 3: Cross multiply
    198,893.68x = 274,404.03 × 112,842.52
  4. Step 4: Simplify right side
    198,893.68x = 30,964,442,243.36
  5. Step 5: Solve for x
    x = 30,964,442,243.36/198,893.68
  6. Step 6: Final answer
    x = 155,683.39

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.